index.php

   1 <?php
   2 #apd_set_pprof_trace();
   3 # Main wiki script; see design.doc
   4 #
   5 $wgRequestTime = microtime();
   6
   7 unset( $IP );
   8 @ini_set( "allow_url_fopen", 0 ); # For security...
   9 if(!file_exists("LocalSettings.php")) {
  10         die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  11 }
  12
  13 # Valid web server entry point, enable includes.
  14 # Please don't move this line to includes/Defines.php. This line essentially defines
  15 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  16 # it becomes an entry point, thereby defeating its purpose.
  17 define( "MEDIAWIKI", true );
  18
  19 require_once( "./includes/Defines.php" );
  20 require_once( "./LocalSettings.php" );
  21 if ( $wgUseData )
  22         {
  23         $wgExtraNamespaces[20] = 'Data' ;
  24         $wgExtraNamespaces[21] = 'Data_talk' ;
  25         }
  26 require_once( "includes/Setup.php" );
  27
  28 wfProfileIn( "main-misc-setup" );
  29 OutputPage::setEncodings(); # Not really used yet
  30
  31 # Query string fields
  32 $action = $wgRequest->getVal( "action", "view" );
  33 $title = $wgRequest->getVal( "title" );
  34
  35 # Placeholders in case of DB error
  36 $wgTitle = Title::newFromText( wfMsgForContent( "badtitle" ) );
  37 $wgArticle = new Article($wgTitle);
  38
  39 $action = strtolower( trim( $action ) );
  40 if ($wgRequest->getVal( "printable" ) == "yes") {
  41         $wgOut->setPrintable();
  42 }
  43
  44 if ( "" == $title && "delete" != $action ) {
  45         $wgTitle = Title::newFromText( wfMsgForContent( "mainpage" ) );
  46 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  47         # URLs like this are generated by RC, because rc_title isn't always accurate
  48         $wgTitle = Title::newFromID( $curid );
  49 } else {
  50         $wgTitle = Title::newFromURL( $title );
  51 }
  52 wfProfileOut( "main-misc-setup" );
  53
  54 # If the user is not logged in, the Namespace:title of the article must be in
  55 # the Read array in order for the user to see it. (We have to check here to
  56 # catch special pages etc. We check again in Article::view())
  57 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  58         $wgOut->loginToUse();
  59         $wgOut->output();
  60         exit;
  61 }
  62
  63 wfProfileIn( "main-action" );
  64 $search = $wgRequest->getText( 'search' );
  65 if( !is_null( $search ) && $search !== '' ) {
  66         require_once( 'SearchEngine.php' );
  67         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  68         $searchEngine = new SearchEngine( $search );
  69         if( $wgRequest->getVal( 'fulltext' ) ||
  70                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  71                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  72                 $searchEngine->showResults();
  73         } else {
  74                 $searchEngine->goResult();
  75         }
  76 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  77         $wgTitle = Title::newFromText( wfMsgForContent( "badtitle" ) );
  78         $wgOut->errorpage( "badtitle", "badtitletext" );
  79 } else if ( $wgTitle->getInterwiki() != "" ) {
  80         $url = $wgTitle->getFullURL();
  81         # Check for a redirect loop
  82         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  83                 $wgOut->redirect( $url );
  84         } else {
  85                 $wgTitle = Title::newFromText( wfMsgForContent( "badtitle" ) );
  86                 $wgOut->errorpage( "badtitle", "badtitletext" );
  87         }
  88 } else if ( ( $action == "view" ) &&
  89         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  90         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  91 {
  92         /* redirect to canonical url, make it a 301 to allow caching */
  93         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  94 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  95         # actions that need to be made when we have a special pages
  96         require_once( 'includes/SpecialPage.php' );
  97         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  98         SpecialPage::executePath( $wgTitle );
  99 } else {
 100         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
 101                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 102         }
 103
 104         switch( $wgTitle->getNamespace() ) {
 105         case NS_IMAGE:
 106                 require_once( "includes/ImagePage.php" );
 107                 $wgArticle = new ImagePage( $wgTitle );
 108                 break;
 109         case NS_CATEGORY:
 110                 if ( $wgUseCategoryMagic ) {
 111                         require_once( "includes/CategoryPage.php" );
 112                         $wgArticle = new CategoryPage( $wgTitle );
 113                         break;
 114                 }
 115                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 116                 # Don't insert other cases between NS_CATEGORY and default.
 117         default:
 118                 $wgArticle = new Article( $wgTitle );
 119         }
 120
 121         switch( $action ) {
 122                 case "view":
 123                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 124                         $wgArticle->view();
 125                         break;
 126                 case "watch":
 127                 case "unwatch":
 128                 case "delete":
 129                 case "revert":
 130                 case "rollback":
 131                 case "protect":
 132                 case "unprotect":
 133                 case "validate":
 134                 case "info":
 135                 case "markpatrolled":
 136                         $wgArticle->$action();
 137                         break;
 138                 case "print":
 139                         $wgArticle->view();
 140                         break;
 141                 case "dublincore":
 142                         if( !$wgEnableDublinCoreRdf ) {
 143                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 144                         } else {
 145                                 require_once( "includes/Metadata.php" );
 146                                 wfDublinCoreRdf( $wgArticle );
 147                         }
 148                         break;
 149                 case "creativecommons":
 150                         if( !$wgEnableCreativeCommonsRdf ) {
 151                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 152                         } else {
 153                                 require_once( "includes/Metadata.php" );
 154                                 wfCreativeCommonsRdf( $wgArticle );
 155                         }
 156                         break;
 157                 case "credits":
 158                         require_once( "includes/Credits.php" );
 159                         showCreditsPage( $wgArticle );
 160                         break;
 161                 case "edit":
 162                 case "submit":
 163                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 164                                 User::SetupSession();
 165                         }
 166                         require_once( "includes/EditPage.php" );
 167                         $editor = new EditPage( $wgArticle );
 168                         $editor->submit();
 169                         break;
 170                 case "history":
 171                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 172                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 173                         }
 174                         require_once( "includes/PageHistory.php" );
 175                         $history = new PageHistory( $wgArticle );
 176                         $history->history();
 177                         break;
 178                 case "raw":
 179                         require_once( "includes/RawPage.php" );
 180                         $raw = new RawPage( $wgArticle );
 181                         $raw->view();
 182                         break;
 183                 case "purge":
 184                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 185                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 186                         $wgTitle->invalidateCache();
 187                         $wgArticle->view();
 188                         break;
 189                 default:
 190                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 191         }
 192 }
 193 wfProfileOut( "main-action" );
 194
 195 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 196 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 197 # the client will wait until the script exits anyway before following the redirect.
 198 wfProfileIn( "main-updates" );
 199 foreach ( $wgDeferredUpdateList as $up ) {
 200         $up->doUpdate();
 201 }
 202 wfProfileOut( "main-updates" );
 203
 204 wfProfileIn( "main-cleanup" );
 205 $wgLoadBalancer->saveMasterPos();
 206
 207 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 208 $wgLoadBalancer->commitAll();
 209
 210 $wgOut->output();
 211 wfProfileOut( "main-cleanup" );
 212
 213 logProfilingData();
 214 $wgLoadBalancer->closeAll();
 215 wfDebug( "Request ended normally\n" );
 216 ?>